Butcher knife



FIG. 1 is a front elevational view of a butcher knife showing my new design;

FIG. 2 is a rear elevational view thereof; and

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of a butcher knife showing my new design.

The broken lines in the figures are for the purposes of illustrating portions of the butcher knife, which form no part of the claimed design. 

CLAIM The ornamental design for a butcher knife, as shown and described. 